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《Journal of South China University of Technology(Natural Science Edition)》 2008-02
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Simulation Analysis of Slow-Frequency Dynamics for Interconnected Power Systems with Preserved Network Structure

Liu Lei1 Du Zhao-bin2 Guan Xiao-hong1 Zhang Yao3 Ni Yi-xin2 Shi Li-bao4(1.State Key Laboratory for Manufacturing Systems Engineering,Systems Engineering Institute,Xi'an Jiaotong University,Xi'an 710049,Shanxi,China; 2.Department of Electrical and Electronic Engineering,University of Hong Kong,Hong Kong,China; 3.School of Electric Power,South China University of Technology,Guangzhou 510640,Guangdong,China;4.National Key Laboratory of Power Systems in Shenzhen,Graduate School at Shenzhen,Tsinghua University,Shenzhen 518055,Guangdong,China)  
In the long-term dynamics of large-scale interconnected power system(LIPS),some crises may occur due to the slow-frequency dynamics and the slow-voltage dynamics.As a result,large blackouts take place.In order to solve this problem,the slow-frequency dynamics for LIPS with preserved network structure is modeled and simulated,which is the first step in the controllor design for slow-frequency dynamics.By taking the frequency of COI(Center of Inertia) in an area as the uniform frequency of the area,the corresponding model describing the slow-frequency dynamics is proposed,and an algorithm for time-domain simulation is presented.The proposed method is finally applied to a 2-area 4-machine system and a 3-area 30-bus IEEE system.The results show that,as compared with the conventional transient stability program in the 4-machine system,the proposed model and method are both more feasible and effective.
【Fund】: 国家重点基础研究发展计划资助项目(2004CB217900);; 国家杰出青年基金资助项目(6970025);; 国家自然科学基金资助项目(5033701060574087);; 国家“863”计划项目(2004AA412050)
【CateGory Index】: TM743
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【References】
Chinese Journal Full-text Database 1 Hits
1 LI Chang-gang1, LIU Yu-tian1, ZHANG Heng-xu1, ZHUANG Kan-qin2, CAO Lu2, HUANG Zhi-long2 (1. School of Electrical Engineering, Shandong University, Ji’nan 250061, Shandong Province, China; 2. East China Grid Company Limited, Huangpu District, Shanghai 200002, China);Power System Frequency Response Analysis Based on the Direct Current Loadflow[J];Proceedings of the CSEE;2009-34
【Citations】
Chinese Journal Full-text Database 1 Hits
1 Cai Zexiang Shen Hong Wang Mingqiu (College of Electrical Power, South China Univ. of Tech., Guangzhou 510640);A DIRECT METHOD FOR ASSESSMENT OF FREQUENCY STABILITY OF POWER SYSTEMS[J];JOURNAL OF SOUTH CHINA UNIVERSITY OF TECHNOLOGY(NATURAL SCIENCE);1999-12
【Co-citations】
Chinese Journal Full-text Database 2 Hits
1 HU Hong-bo,WU Ya-lian,DUAN Bin (College of Information Engineering,Xiangtan University,Xiangtan 411105,Hunan Province,China);Research on Safety Interlocking in Substation Automation Under Wide-Area Security Environment Based on Phasor Measurement Units and SCADA System[J];Power System Technology;2009-11
2 Li Aimin Cai Zexiang (South China University of Technology Guangzhou 510640 China);Frequency Dynamics Analysis and Load Shedding Assessment Based on the Dynamic Simulation Trajectory of Interconnected Power System[J];Transactions of China Electrotechnical Society;2009-09
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Chinese Journal Full-text Database 8 Hits
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